I feel that in usage, lyrical is the 'soft jazz' that is always done to sad, angsty, nostalgic or sweet songs. In usage, 'contemporary' usually means 'modern jazz' or 'new jazz' that is done to more of a variety of music.
The greatest integer function of a real number x is represented by f(x) = [x] or |_x_|. For all real numbers x, the greatest integer function returns the largest integer less than or equal to x. In other words, the greatest integer function rounds down a real number to the nearest integer.
Answer Wiki. The Euclidean Algorithm is the fastest way to find the GCD (greatest common divisor, also called the highest common factor) of two numbers. Then to get the least common multiple, divide that GCD into one of the two numbers and multiply the result by the other.